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From "B. Todd Burruss" <>
Subject Re: Upgrading hardware on a node in a cluster
Date Wed, 10 Oct 2012 16:46:15 GMT
if you have N nodes in your cluster, add N new nodes using the new
hardware, then decommision the old N nodes.

(and migrate to VPC like dean said)

On Wed, Oct 10, 2012 at 5:23 AM, Hiller, Dean <> wrote:
> Well, you could use amazon VPC in which case you DO pick the IP yourself ;)….it makes
life a bit easier.
> Dean
> From: Martin Koch <<>>
> Reply-To: "<>" <<>>
> Date: Wednesday, October 10, 2012 3:29 AM
> To: "<>" <<>>
> Subject: Upgrading hardware on a node in a cluster
> Hi List
> I'd like to migrate my nodes in a cluster to new hardware, moving one node at a time.
> I'm running the cluster in Amazon, so I don't get to pick the ip number of each host
> I'd like to decommision, say, the node with token 0, and bring that node up on the new
hardware (which will have a new IP number).
> Can anyone provide me with a recipe for doing this? I've looked around and read about
nodetool move, which didn't make me much wiser.
> Thanks for your help,
> /Martin Koch - Issuu - Senior Systems Architect

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